Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 50

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IMPORTANT

Earn 100

The ionisation energy of ${He}^{+}$ is $19.6 \times 10^{- 18} J$ ${atom}^{- 1}$ . The energy of the first stationary state $(n = 1)$ of ${Li}^{2 +}$ is

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Important Questions on Structure of Atom

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NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 51

In the hydrogen atom, the energy of the first excited state is

- 3.4 eV

. Then, find out the

KE

of the same orbit of the hydrogen atom.

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IMPORTANT

Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 52

In Bohr's orbit, what is the ratio of the total kinetic energy and the total energy of the electron?

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 53

The kinetic energy of an electron accelerated from rest through a potential difference of

5 V

will be:

HARD

NEET

IMPORTANT

Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 54

According to Bohr's theory, the energy required for the transition of electron in

H

-atom from

n = 6

to

n = 8

state is

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 55

The wave number of the first emission line in the Balmer series of $H$ -Spectrum is:

( $R =$ Rydberg's constant)

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 56

The total number of electrons that can be accommodated in all orbitals having principal quantum number

2

and azimuthal quantum number

1

is

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Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 57

In a given atom, no two electrons can have the same values for all the four quantum numbers. This is called

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IMPORTANT

Chemistry Crash Course NEET>Chapter 2 - Structure of Atom>Level 1>Q 58

The maximum number of electrons in a subshell of an atom is determined by